变量

It is usually advantageous to use variables which have physical significance and, if possible, can be measured.

通常最好是选择有物理意义的变量，如果有可能，最好是可以测量的。

ADX debugger in the use of the process and how to set up breakpoint in the observation of variables, each familiar with the function keys.

在运用ADX调试器时如何设置中断点和观察变量，熟悉每个功能键。

In the research on the influence of group genre, family, school, community, internet and accompanier were selected as variable and relative affectionateness level was chosen as research tool. Multianalysis was adopted to present the basic trait of junior middle school students\' intercourse and its impact on social cognition. There are founds as follows.

在群体类型影响力研究中，选取家庭、学校、社区、网络和同伴作为群体类型的基本变量，并以家庭亲情水平等问卷为研究工具，运用多元回归分析法呈现当前初中生群体交往的基本特征及其对社会认知的影响。

This method utilizes the invariant properties of affine geometry to calculate the affine invariant, which has a more fast process speed.

该方法利用仿射几何中的特征区域面积比的不变性质构造仿射不变量，在处理速度上具有较为明显的优势。

At last,we use these feature regions to construct affine invariant s,based on affine geometry invariant property.

利用仿射区域划分获取一组扩展质心集合作为图像特征点集；求解特征点集的凸包，根据扩展质心的性质将凸包顶点均匀组合成若干特征区域；利用仿射几何性质构造了有效的仿射不变量。

Description and recognition of plane has been processed depend on the geometry model of continental group and affine group anciently, with the development of the computer vision application, people attaches importance to the investigation of the perspective invariants, thus the investigation of perspective invariants gradually become an important problem in the computer vision.

以往人们对曲线的描述和识别大都是在欧氏群和仿射群的几何模型下进行的，近几年随着计算机视觉应用的发展，射影群下不变量的研究开始受到人们重视，所以射影变换下几何不变性的研究是计算机视觉中的一个重要的研究课题。

Thismethod adopted affine transformation model and a Lie derivative-based analytical algorithm.We introduced the process and characters in extracting information of biological visionsystem, studied the feasibility of the generalized Gabor function used as receptive fieldfunction in extracting information and analyzed affine transformation group and Liederivatives. Finally, we deduced the mathematical denotation for Lie derivatives, i.e. theinfinitesimal generator of the geometric distortion in affine transformation.

对生物视觉信息提取的过程及特点进行了介绍，其中主要研究了广义Gabor函数作为感受野函数提取初级视觉信息的可行性；对仿射变换作为外界图像信息在视觉成像系统上的投影模型的原理进行了初步讨论；对Lie变换群微分算子用于提取仿射变换不变量的分析方法作了剖析，并推导了该方法中关键部分——仿射变换Lie微分算子的具体表达式，也就是几何变形无限小微分算子的计算表达式，使下一步编程实现该方法成为可能。

Furthermore we discussed the problem whether I1 ,12,13 are the invariant under affine coordinate transformation.

此外，我们讨论了，I1，I2，I3是否为仿射坐标变换下的不变量这一问题。。

An improved image recognition and registration algorithm based on convex hull and affine invariant was presented.

提出了一种新的基于凸壳和仿射不变量的图像识别和配准的方法。

Introducing the affixation variables instead of solving non linear equation, we can make use of several corresponding points on the object and obtain a group of linear equations.

通过引入了中间变量，以避免求解非线性方程，在物体上选择多个特征点，可以得到一个线性方程组。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。